在CT血管造影中延迟相成像是否在怀疑有活跃出血的患者中提供额外的信息?
Mihran Khdhir1, Youssef Ghosn2, Yara Jabbour2
1Department of Radiology and Biomedical Imaging, Yale School of Medicine, New Haven, USA.
在CT血管造影中,延迟相成像用于检测活跃出血,其诊断价值很小. 这增加了时间和辐射暴露,没有显著的临床益处,质疑其在出血评估中的常规使用.
科学领域:
- 放射学 放射学是一门学科.
- 医疗成像医学成像
- 诊断成像 诊断成像 诊断成像
背景情况:
- 多相CT血管造影 (CTA) 对于诊断活跃出血至关重要.
- 在这种情况下,延迟相位成像的实用性需要进一步研究.
研究的目的:
- 为了确定延迟相成像是否为疑似活跃出血的多相CTA提供额外的诊断信息.
- 评估延迟相位成像对检查时间和辐射暴露的影响.
主要方法:
- 对104名因疑似急性出血而接受多相CTA治疗的患者的回顾性分析.
- 由一般,干预和身体成像放射学家对CTA图像进行独立审查.
- 评估延迟相图像是否改变了最终印象,并评估额外的发现,时间和辐射剂量.
主要成果:
- 延迟阶段成像在96.1%的病例中没有提供显著的额外诊断信息.
- 延迟相采集的平均额外时间为3.61分钟.
- 延迟成像增加了平均847.75mGy.cm的辐射剂量.
结论:
- 对于疑似活跃出血的多相CTA中延迟相成像提供了最小的额外诊断价值.
- 在这种设置中,由于时间和辐射暴露的增加,推迟相位成像的常规使用不受支持.
- 进一步的研究可能会探索特定的选择案例,其中延迟成像可能是有益的.
更多相关视频
09:21Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
Published on: January 18, 2018
09:49Dual-phase Cone-beam Computed Tomography to See, Reach, and Treat Hepatocellular Carcinoma during Drug-eluting Beads Transarterial Chemo-embolization
Published on: December 2, 2013
相关概念视频
Imaging Studies for Cardiovascular System II:Types of Echocardiography
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
Radiological Investigation III: Pulmonary Angiogram and PET Scan
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
Imaging Studies for Cardiovascular System I:Echocardiography
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
Imaging Studies II: Positron Emission Tomography and Scintigraphy
Fundamental Principles of PET
Radiological Investigation I: X-ray and CT
